From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001
From: Duncan Wilkie <antigravityd@gmail.com>
Date: Sat, 18 Nov 2023 06:11:09 -0600
Subject: Initial commit.

---
 gmp-6.3.0/mpn/mips32/add_n.asm | 124 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 gmp-6.3.0/mpn/mips32/add_n.asm

(limited to 'gmp-6.3.0/mpn/mips32/add_n.asm')

diff --git a/gmp-6.3.0/mpn/mips32/add_n.asm b/gmp-6.3.0/mpn/mips32/add_n.asm
new file mode 100644
index 0000000..e7d4c48
--- /dev/null
+++ b/gmp-6.3.0/mpn/mips32/add_n.asm
@@ -0,0 +1,124 @@
+dnl  MIPS32 mpn_add_n -- Add two limb vectors of the same length > 0 and store
+dnl  sum in a third limb vector.
+
+dnl  Copyright 1995, 2000, 2002 Free Software Foundation, Inc.
+
+dnl  This file is part of the GNU MP Library.
+dnl
+dnl  The GNU MP Library is free software; you can redistribute it and/or modify
+dnl  it under the terms of either:
+dnl
+dnl    * the GNU Lesser General Public License as published by the Free
+dnl      Software Foundation; either version 3 of the License, or (at your
+dnl      option) any later version.
+dnl
+dnl  or
+dnl
+dnl    * the GNU General Public License as published by the Free Software
+dnl      Foundation; either version 2 of the License, or (at your option) any
+dnl      later version.
+dnl
+dnl  or both in parallel, as here.
+dnl
+dnl  The GNU MP Library is distributed in the hope that it will be useful, but
+dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+dnl  for more details.
+dnl
+dnl  You should have received copies of the GNU General Public License and the
+dnl  GNU Lesser General Public License along with the GNU MP Library.  If not,
+dnl  see https://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+C res_ptr	$4
+C s1_ptr	$5
+C s2_ptr	$6
+C size		$7
+
+ASM_START()
+PROLOGUE(mpn_add_n)
+
+	lw	$10,0($5)
+	lw	$11,0($6)
+
+	addiu	$7,$7,-1
+	and	$9,$7,4-1	C number of limbs in first loop
+	beq	$9,$0,.L0	C if multiple of 4 limbs, skip first loop
+	 move	$2,$0
+
+	subu	$7,$7,$9
+
+.Loop0:	addiu	$9,$9,-1
+	lw	$12,4($5)
+	addu	$11,$11,$2
+	lw	$13,4($6)
+	sltu	$8,$11,$2
+	addu	$11,$10,$11
+	sltu	$2,$11,$10
+	sw	$11,0($4)
+	or	$2,$2,$8
+
+	addiu	$5,$5,4
+	addiu	$6,$6,4
+	move	$10,$12
+	move	$11,$13
+	bne	$9,$0,.Loop0
+	 addiu	$4,$4,4
+
+.L0:	beq	$7,$0,.Lend
+	 nop
+
+.Loop:	addiu	$7,$7,-4
+
+	lw	$12,4($5)
+	addu	$11,$11,$2
+	lw	$13,4($6)
+	sltu	$8,$11,$2
+	addu	$11,$10,$11
+	sltu	$2,$11,$10
+	sw	$11,0($4)
+	or	$2,$2,$8
+
+	lw	$10,8($5)
+	addu	$13,$13,$2
+	lw	$11,8($6)
+	sltu	$8,$13,$2
+	addu	$13,$12,$13
+	sltu	$2,$13,$12
+	sw	$13,4($4)
+	or	$2,$2,$8
+
+	lw	$12,12($5)
+	addu	$11,$11,$2
+	lw	$13,12($6)
+	sltu	$8,$11,$2
+	addu	$11,$10,$11
+	sltu	$2,$11,$10
+	sw	$11,8($4)
+	or	$2,$2,$8
+
+	lw	$10,16($5)
+	addu	$13,$13,$2
+	lw	$11,16($6)
+	sltu	$8,$13,$2
+	addu	$13,$12,$13
+	sltu	$2,$13,$12
+	sw	$13,12($4)
+	or	$2,$2,$8
+
+	addiu	$5,$5,16
+	addiu	$6,$6,16
+
+	bne	$7,$0,.Loop
+	 addiu	$4,$4,16
+
+.Lend:	addu	$11,$11,$2
+	sltu	$8,$11,$2
+	addu	$11,$10,$11
+	sltu	$2,$11,$10
+	sw	$11,0($4)
+	j	$31
+	or	$2,$2,$8
+EPILOGUE(mpn_add_n)
-- 
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